Home / 37,870.25-52,261.31-20,875.15

Finding the Fourth Proportional to 37,870.25, 52,261.31 and 20,875.15

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Solution

The fourth proportional to 37,870.25, 52,261.31 and 20,875.15 is: 28,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870.25 : 52,261.31 = 20,875.15 : x
  2. Step 2: Convert to fraction form
    37,870.25/52,261.31 = 20,875.15/x
  3. Step 3: Cross multiply
    37,870.25x = 52,261.31 × 20,875.15
  4. Step 4: Simplify right side
    37,870.25x = 1,090,962,450.42
  5. Step 5: Solve for x
    x = 1,090,962,450.42/37,870.25
  6. Step 6: Final answer
    x = 28,807.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.